# KOOS vs Maxwell Central

The clearest difference is update cadence: KOOS at weekly against Maxwell Central's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KOOS ships an update weekly, Maxwell Central every 5 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KOOS | Maxwell Central |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Size | 16 MB | 40 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Programmable Equity OU](https://appshunter.io/developer/1685180939) | [Su Win](https://appshunter.io/developer/1813874858) |

## What reviewers say

### KOOS

[App page](https://appshunter.io/ios/app/koos/id6449426162)

**Features:** macOS Compatibility

**In-app purchases:** none


### Maxwell Central

[App page](https://appshunter.io/ios/app/maxwell-central/id6749521421)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KOOS free?

KOOS is free to download, with no in-app purchases.

### Is Maxwell Central free?

Maxwell Central is free to download, with no in-app purchases.

### Do KOOS or Maxwell Central have ads?

Neither KOOS nor Maxwell Central shows ads.

### Which is updated more often, KOOS or Maxwell Central?

KOOS ships an update weekly, and Maxwell Central every 5 weeks. Most recently, KOOS was updated on November 3, 2026 and Maxwell Central on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*